<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>多选下拉框</title>
		<script type="text/javascript" src="jquery-3.6.0/jquery-3.6.0.js"></script>
	</head>
	<style>
	.fs-dropdown {
	    position: absolute;
	    background-color: #fff;
	    border: 1px solid #ccc;
	    margin-top: 5px;
	    width: 100%;
	    z-index: 1000;
	}
	
	.fs-dropdown .fs-options {
	    max-height: 200px;
	    overflow: auto;
	}
	
	
	
	.fs-option,
	.fs-search,
	.fs-optgroup-label {
	    padding: 6px 8px;
	    border-bottom: 1px solid #eee;
	    cursor: default;
	}
	
	.fs-option {
	    cursor: pointer;
	}
	
	.fs-option.hl {
	    background-color: #f5f5f5;
	}
	
	.fs-wrap.multiple .fs-option {
	    position: relative;
	    padding-left: 30px;
	}
	
	.fs-wrap.multiple .fs-checkbox {
	    position: absolute;
	    display: block;
	    width: 30px;
	    top: 0;
	    left: 0;
	    bottom: 0;
	}
	
	.fs-wrap.multiple .fs-option .fs-checkbox i {
	    position: absolute;
	    margin: auto;
	    left: 0;
	    right: 0;
	    top: 0;
	    bottom: 0;
	    width: 14px;
	    height: 14px;
	    border: 1px solid #aeaeae;
	    border-radius: 2px;
	    background-color: #fff;
	}
	
	.fs-wrap.multiple .fs-option.selected .fs-checkbox i {
	    background-color: rgb(17, 169, 17);
	    border-color: transparent;
	    background-image: url('');
	    background-repeat: no-repeat;
	    background-position: center;
	}
	
	.fs-wrap .fs-option:hover {
	    background-color: #f5f5f5;
	}
	
	.fs-optgroup-label {
	    font-weight: bold;
	}
	
	.hidden {
	    display: none;
	}
	
	
	/*根据本项目自定义修改*/
	.visibility-hidden{
	    display:block;
	    visibility: hidden;
	    position:absolute;
	    top:0;
	}
	.deptWrap,.fs-wrap,.fs-label-wrap{
	    width:100%;
	    height:30px;
	    -webkit-box-sizing: border-box;
	    -moz-box-sizing: border-box;
	    box-sizing: border-box;
	}
	.fs-wrap{position:relative}
	.fs-label-wrap .fs-label{
	    padding: 0;
	    height: 30px;
	    line-height: 30px;
	    -webkit-box-sizing: border-box;
	    -moz-box-sizing: border-box;
	    box-sizing: border-box;
	    padding-left:6px;
	    padding-right:10px;
	}
	.btnFixed{
	    height:28px;
	    text-align:center;
	}
	.btnFixed>.buttonDefault{
	    width: 60px;
	    height: 24px;
	    background: rgb(86, 148, 254);
	    border: none;
	    margin-left: 10px;
	    color: #fff;
	    margin-top: 2px;
	    border-radius: 4px;
	}
	.btnFixed>.buttonDefault:hover{
	    background: rgb(181, 226, 254);
	    color: #4284f5;
	}
	.fs-search{padding:2px 8px;}
	.fs-dropdown{
	    margin-top: 0px;
	    box-shadow: 4px 4px 4px #ddd;
	}
	.fs-wrap.multiple .fs-option.selected .fs-checkbox i{
	    background-color: rgb(86, 148, 254);
	}
	</style>
	<body>
	<select id="organId" name="organId" multiple="multiple" >
	　　　　<option value="1">数据模拟</option>
	　　　　<option value="2">春眠不觉晓</option>
	　　　　<option value="3">处处闻啼鸟</option>
	　　　　<option value="4">夜来风雨声</option>
	　　　　<option value="5">花落知多少</option>
	　　　　<option value="6">gvbsdfugusdf</option>
	　　　　<option value="7">阿苏发噶书店发</option>
	　　</select>
		<p id="shuju">测试</p>
		<textarea id="qwe" cols="20"rows="20"></textarea>
	</body>
	<script type="text/javascript" src="js/duoxuanxiala.js"></script>
</html>
